Where does “cah” come from?
cah (Manx) comes from Old Irish cath, from Primitive Irish ᚉᚐᚈᚈᚒ, from Proto-Celtic katus, from Proto-Indo-European kéh₃tus, from Proto-Indo-European -tus — Derives action nouns from verb roots.
cah (Manx): battle
Ancestry of “cah”, step by step
| Step | Language | Word | Meaning |
|---|
| 1 | Old Irish | cath | battle, fight; troop, battalion |
| 2 | Primitive Irish | ᚉᚐᚈᚈᚒ | battle |
| 3 | Proto-Celtic | katus | battle |
| 4 | Proto-Indo-European | kéh₃tus | fight |
| 5 | Proto-Indo-European | -tus | Derives action nouns from verb roots |